jcolliez

Allingroups lets you automatically publish a message, as if you were writing each one individually, to all of the Facebook groups that you select.
In a few clicks, you can start a campaign that you can follow in real time on your <a href="http://connect.allingroups.com/" title="Allingroups dashboard" rel="nofollow ugc">dashboard</a>.
You can also save your group playlists so that you can use them again in new campaigns. Additionally, you can join groups matching your search criteria automatically.
IMPORTANT: This plugin requires a valid Facebook account, the plugin will ask it and use it to create an account remotely on http://connect.allingroups.com/ , so the plugin will send your informations through the network in https requests to allingroups API.

Allingroups

Allingroups lets you automatically publish a message, as if you were writing each one individually, to all of the Facebook groups that you select.

Remi Corson

Add Mailchimp signup process to WordPress registration form
<a href="http://remicorson.com" rel="nofollow ugc">Developer Website</a> – <a href="http://remicorson.com/easy-wordpress-mailchimp-integration/" rel="nofollow ugc">Plugin Page</a>

Easy WordPress Mailchimp Integration

Requires at least 3.0 Tested up to 3.3.1 Stable tag: 1.0 Add Mailchimp signup process to WordPress registration form

Allingroups vs Easy WordPress Mailchimp Integration